David also conquered the land of Moab. He made the people lie down on the ground in a row, and he measured them off in groups with a length of rope. He measured off two groups to be executed for every one group to be spared. The Moabites who were spared became David’s subjects and paid him tribute money.
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David took great numbers of Moabites as prisoners of war. He made them lie down on the ground, divided them by a measuring line into three parts, p…

He smote Moab. —David’s former friendly relations with Moab (probably connected with his own descent from Ruth) are mentioned in […

And he smote Moab
He next went against that, and invaded it, the people of it being always troublesome and distressi…

David subdued the Philistines. They had long been troublesome to Israel. And after the long and frequent struggles the saints have with the powers …
Albert Barnes
AlbertBarnes